Element of a shoe upper



FIG. 1 is a left side elevational view of an element of a shoe upper showing my new design;

FIG. 2 is a right side elevational view of an element of a shoe upper showing my new design; and

FIG. 3 is a top plan view of an element of a shoe upper showing my new design.

The broken line showing of a shoe in FIGS. 1-3 is environmental only and forms no part of the claimed design. 

The ornamental design for an element of a shoe upper, as shown and described. 